Which of these is the smallest possible unit of data?

Correct option is A

A bit (binary digit) is the smallest possible unit of data in a computer. It represents a single binary value, either 0 or 1.
Information Booster
1. Bit: The fundamental unit of information in computing.
2. Byte: Consists of 8 bits and is used to encode one character of text.
3. Higher units of data:
· Kilobyte (KB): 1,024 bytes.
· Megabyte (MB): 1,024 kilobytes.